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Author Topic: Bread Yeast for FFT?  (Read 1819 times)

Offline Joe Sr.

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Bread Yeast for FFT?
« on: February 25, 2017, 05:48:54 PM »
Can I use regular old Red Star brewers yeast for a FFT?

Is there any reason that wouldn't work?

I'm growing up a big starter to pitch into a stalled fermentation and want to run a FFT to see what I might expect.
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Offline denny

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Re: Bread Yeast for FFT?
« Reply #1 on: February 25, 2017, 05:55:35 PM »
Yep, that's fine.
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Offline HoosierBrew

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Re: Bread Yeast for FFT?
« Reply #2 on: February 25, 2017, 06:05:21 PM »
Same thing I use, too.
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Offline tommymorris

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Re: Bread Yeast for FFT?
« Reply #3 on: February 25, 2017, 06:06:28 PM »
Fast Fourier Transform?

Seriously though. What is a FFT?
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Offline Joe Sr.

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Re: Bread Yeast for FFT?
« Reply #4 on: February 25, 2017, 06:25:23 PM »
Fast Fermentation Test.  Or something similar.

To check for fermentability of your wort with a small sample and ton of yeast.
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Offline tommymorris

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Re: Bread Yeast for FFT?
« Reply #5 on: February 25, 2017, 06:35:24 PM »
Thanks!
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Offline HoosierBrew

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Re: Bread Yeast for FFT?
« Reply #6 on: February 25, 2017, 06:43:32 PM »
Yeah, it's helful to judge whether a beer stalled or is at FG. Also is helpful for knowing when to keg a beer for spunding. Cheap n easy.
 
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Offline Joe Sr.

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Re: Bread Yeast for FFT?
« Reply #7 on: February 25, 2017, 07:07:02 PM »
Fermenting like mad in the FFT.  Stalled at 1.040 in the fermenter.  Apparently the bread yeast works just fine.

Weather's been so crazy here lately I must have had a temp drop in the basement that stalled it out.  All I can figure.

I've got the fermenter in a warm water bath, but no movement.  Active starter going in later today.
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Offline HoosierBrew

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Re: Bread Yeast for FFT?
« Reply #8 on: February 25, 2017, 07:10:48 PM »
Quote from: Joe Sr. on February 25, 2017, 07:07:02 PM
Fermenting like mad in the FFT.  Stalled at 1.040 in the fermenter.  Apparently the bread yeast works just fine.

Weather's been so crazy here lately I must have had a temp drop in the basement that stalled it out.  All I can figure.

I've got the fermenter in a warm water bath, but no movement.  Active starter going in later today.


That should hopefully help it finish up nicely then.
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Jon H.

Offline Joe Sr.

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Re: Bread Yeast for FFT?
« Reply #9 on: February 25, 2017, 07:52:54 PM »
Here's hoping.
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Offline brewinhard

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Re: Bread Yeast for FFT?
« Reply #10 on: February 25, 2017, 09:58:51 PM »
Quote from: HoosierBrew on February 25, 2017, 06:43:32 PM
Yeah, it's helful to judge whether a beer stalled or is at FG. Also is helpful for knowing when to keg a beer for spunding. Cheap n easy.
 

Can't this be done without any additional yeast added as well?  Just pulling some wort (small sample) from the fermenter and using the yeast present to quickly ferment it out on a stir plate?
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Offline HoosierBrew

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Re: Bread Yeast for FFT?
« Reply #11 on: February 25, 2017, 10:23:20 PM »
Quote from: brewinhard on February 25, 2017, 09:58:51 PM
Quote from: HoosierBrew on February 25, 2017, 06:43:32 PM
Yeah, it's helful to judge whether a beer stalled or is at FG. Also is helpful for knowing when to keg a beer for spunding. Cheap n easy.
 

Can't this be done without any additional yeast added as well?  Just pulling some wort (small sample) from the fermenter and using the yeast present to quickly ferment it out on a stir plate?


Yeah, I'm doing it on brew day now for spunding, unless it's a recipe I've brewed before. But you can do it after fermentation obviously if you think you stalled.

Edit - I use bread yeast for both. I dont see why your method wouldn't work fine. Force of habit.
« Last Edit: February 25, 2017, 10:25:57 PM by HoosierBrew »
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Jon H.

Offline The Beerery

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Re: Bread Yeast for FFT?
« Reply #12 on: February 25, 2017, 11:28:03 PM »
After you oxygentate/stir yeast in pull your FFT from that. Easy peasy.


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Offline brewinhard

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Re: Bread Yeast for FFT?
« Reply #13 on: February 25, 2017, 11:51:16 PM »
Quote from: The Beerery on February 25, 2017, 11:28:03 PM
After you oxygentate/stir yeast in pull your FFT from that. Easy peasy.


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No need to pull it after a couple days of fermentation then? There will be enough yeast in suspension to tackle the small job?
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Offline The Beerery

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Re: Bread Yeast for FFT?
« Reply #14 on: February 25, 2017, 11:58:47 PM »
Yup I put mine on a stir plate at room temp.  Solid.


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